HighFix available
Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specify...
Type: advisorySources: OSV
CVE-2026-97031 affects multiple packages. Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references. See references for individual vulnerability details.
- Products
- gosu, pdfcpu, prometheus-node-exporter, wave
- Affected versions
- Not specified
- Fixed versions
- 0.11.1-r2, 0.12.0-r2, 1.11.1-r5, 1.19-r6, 1.9.1-r6
- CVEs
- CVE-2026-97031
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 11:12 UTC · Revision 1
Source evidence
Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specify...
core-osv · Original sourcePublished 14 Oct 2026, 00:39 UTC
CVE-2026-97031 affects multiple packages. Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references. See references for individual vulnerability details.
osv:CLEANSTART-2026-AO15558
prometheus-node-exporter
Fixed versions: 1.11.1-r5
prometheus-node-exporter
Fixed versions: 1.9.1-r6
pdfcpu
Fixed versions: 0.11.1-r2
pdfcpu
Fixed versions: 0.11.1-r2
gosu
Fixed versions: 1.19-r6
wave
Fixed versions: 0.12.0-r2
Complete source record
{
"id": "77a35ed0bb4d7f6c14cfc3e0d7acb1e783e737cb0af55e857ca8cdae12815391",
"url": "https://osv.dev/vulnerability/CLEANSTART-2026-AO15558",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specify...",
"summary": "CVE-2026-97031 affects multiple packages. Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references. See references for individual vulnerability details.",
"evidence": "osv:CLEANSTART-2026-AO15558",
"products": [
{
"name": {
"value": "prometheus-node-exporter",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.11.1-r5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "prometheus-node-exporter",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.9.1-r6",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pdfcpu",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.11.1-r2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "pdfcpu",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.11.1-r2",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "gosu",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.19-r6",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "wave",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.12.0-r2",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "CLEANSTART-2026-AO15558",
"aliases": [
"CLEANSTART-2026-AO15558"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.11.1-r5"
}
]
}
],
"package": {
"name": "prometheus-node-exporter",
"purl": "pkg:apk/cleanstart/prometheus-node-exporter",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AO15558.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.9.1-r6"
}
]
}
],
"package": {
"name": "prometheus-node-exporter",
"purl": "pkg:apk/cleanstart/prometheus-node-exporter",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AO15558.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.11.1-r2"
}
]
}
],
"package": {
"name": "pdfcpu",
"purl": "pkg:apk/cleanstart/pdfcpu?arch=x86_64",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AO15558.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.11.1-r2"
}
]
}
],
"package": {
"name": "pdfcpu",
"purl": "pkg:apk/cleanstart/pdfcpu?arch=aarch64",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AO15558.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.19-r6"
}
]
}
],
"package": {
"name": "gosu",
"purl": "pkg:apk/cleanstart/gosu",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AO15558.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.12.0-r2"
}
]
}
],
"package": {
"name": "wave",
"purl": "pkg:apk/cleanstart/wave",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AO15558.json"
}
}
],
"modified": "2026-10-14T01:00:16.130925650Z",
"provider": "osv",
"upstream": [
"CVE-2026-97031"
],
"references": [
"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-AO15558.json",
"https://osv.dev/vulnerability/CVE-2026-97031",
"https://nvd.nist.gov/vuln/detail/CVE-2026-97031"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2026-97031",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 313771,
"published_at": "2026-10-14T00:39:57.940831+00:00"
}